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netlink: implement nla_put_in_addr and nla_put_in6_addr

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IP addresses are often stored in netlink attributes. Add generic functions
to do that.

For nla_put_in_addr, it would be nicer to pass struct in_addr but this is
not used universally throughout the kernel, in way too many places __be32 is
used to store IPv4 address.

Signed-off-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Benc
2015-03-29 16:59:25 +02:00
committed by David S. Miller
parent 15e318bdc6
commit 930345ea63
29 changed files with 139 additions and 124 deletions
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4
net/ipv6/ip6mr.c
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@@ -2378,8 +2378,8 @@ static int ip6mr_fill_mroute(struct mr6_table *mrt, struct sk_buff *skb,
rtm->rtm_protocol = RTPROT_MROUTED;
rtm->rtm_flags = 0;
if (nla_put(skb, RTA_SRC, 16, &c->mf6c_origin) ||
nla_put(skb, RTA_DST, 16, &c->mf6c_mcastgrp))
if (nla_put_in6_addr(skb, RTA_SRC, &c->mf6c_origin) ||
nla_put_in6_addr(skb, RTA_DST, &c->mf6c_mcastgrp))
goto nla_put_failure;
err = __ip6mr_fill_mroute(mrt, skb, c, rtm);
/* do not break the dump if cache is unresolved */